James McKeen Cattell
Psychology
United States
1860 – 1944
102 quotes
American psychologist who advanced mental testing and anthropometrics.
Most quoted
"The object of the present research is to measure the 'personal equation' of different observers, and to determine the causes of its variations."
— from Mind, 1888
"Psychology cannot attain the certainty and exactness of the physical sciences, unless it rests on a foundation of experiment and measurement."
— from Mind, 1888
"We are still far from having a complete system of mental tests, but the progress made in the last few years is encouraging."
— from Mind, 1890
All quotes by James McKeen Cattell (102)
Art's emotion fuels science's cold logic.
Review
1897
On my deathbed, I recall the joy of discovery.
Last Words
1944
Contemporaries of James McKeen Cattell
Other Psychologys born within 50 years of James McKeen Cattell (1860–1944).